<template>
  <div>
    <el-card class="box-card">
      <div slot="header" class="clearfix header-box">
        <span>文章分类</span>
        <el-button type="primary" size="mini" @click="addVisible = true">添加分类</el-button> 
      </div>
      <!-- 表格区域 -->
    <el-table stype="width:100%;" :data="cateList" border stripe>
      <el-table-column label="序号" type="index" width="100"></el-table-column>
      <el-table-column label="分类名称" prop="cate_name"></el-table-column>
      <el-table-column label="分类别名" prop="cate_alias"></el-table-column>
      <el-table-column label="操作">
        <template v-slot='scope'>
          <el-button type="primary" size="mini" @click="showEditDialog(scope.row)">修改</el-button>
          <el-button type="danger" size="mini" @click="remove(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
</el-table>
    </el-card>
    <!-- 添加文章分类的对话框 -->
<el-dialog title="添加文章分类" :visible.sync="addVisible" width="35%" @closed="onAddCateClose"
:close-on-click-modal="false">

<!-- 添加的表单 -->
<el-form :model="addForm" :rules="addRules" ref="addRef" label-width="70px">
  <el-form-item label="分类名称" prop="cate_name">
    <el-input v-model="addForm.cate_name" minlength="1" maxlength="10"></el-input>
  </el-form-item>
  <el-form-item label="分类别名" prop="cate_alias">
    <el-input v-model="addForm.cate_alias" minlength="1" maxlength="15"></el-input>
  </el-form-item>
</el-form>

<span slot="footer" class="dialog-footer">
    <el-button size="mini" @click="addVisible = false">取 消</el-button>
    <el-button size="mini" type="primary" @click="addCate" >确 定</el-button>
  </span>
</el-dialog>

 <!-- 编辑分类的对话框 -->
<el-dialog title="编辑文章分类" :visible.sync="editVisible" width="35%" 
:close-on-click-model="false">

<!--   <span>添加内容</span>
  <span slot="footer" class="dialog-footer">
    <el-button size="mini" @click="addVisible = false">取 消</el-button>
    <el-button size="mini" type="primary" @click="addCate" >添 加</el-button>
  </span>
  </el-dialog> -->
 
  <!-- 添加的表单 -->
<el-form :model="editForm" :rules="addRules" ref="editRef" label-width="70px">
  <el-form-item label="分类名称" prop="cate_name">
    <el-input v-model="editForm.cate_name" minlength="1" maxlength="10"></el-input>
  </el-form-item>
  <el-form-item label="分类别名" prop="cate_alias">
    <el-input v-model="editForm.cate_alias" minlength="1" maxlength="15"></el-input>
  </el-form-item>
</el-form>
  <span slot="footer" class="dialog-footer">
    <el-button size="mini" @click="editVisible = false">取 消</el-button>
    <el-button size="mini" type="primary" @click="editCate">确 定</el-button>
  </span>
</el-dialog>
  </div>
</template>

<script>
export default {
  name: "ArtCate",
  data() {
    return {
      // 文章的分类列表
      cateList: [],
      // 控制添加对话框的显示与隐藏
      addVisible: false,
       // 控制修改对话框的显示与隐藏
      editVisible: false,
      //  添加表单数据对象
      addForm: {
        cate_name: "",
        cate_alias: "",
      },
      // 修改表单数据对象
      editForm:{ },
      // 添加表单校验规则对象
      addRules: {
        cate_name: [
          { required: true, message: "请输入分类名称", trigger: "blur" },
          {
            pattern: /^\S{1,10}$/,
            message: "分类名必须是1-10位的非空字符",
            trigger: "blur",
          },
        ],
        cate_alias: [
          { required: true, message: "请输入分类别名", trigger: "blur" },
          {
            pattern: /^[a-zA-Z0-9]{1,15}$/,
            message: "分类别名必须是1-15位的字母数字",
            trigger: "blur",
          },
        ],
      },
    };
  },
  methods: {
    // 定义获取文章分类数据的函数
    async getArtCate() {
      const { data: res } = await this.$http.get("/my/cate/list");
      if (res.code === 0) {
        this.cateList = res.data;
      }
    },
    onAddCateClose() {
      this.$refs.addRef.resetFields();
    },
    addCate() {
      // 对表单进行兜底校验
      this.$refs.addRef.validate(async valid => {
        // 表单 数据校验失败
        if (!valid) return;
        // 发送axaj请求
        const { data: res } = await this.$http({
          method: "post",
          url: "/my/cate/add",
          data: {
            ...this.addForm,
          },
        });
        //  失败
        if (res.code !== 0) return this.$message.error(res.message);
        // 成功
        this.$message.success(res.message);
        // 关闭对话框
        this.addVisible = false;
        // 重新请求对话框
        this.getArtCate();
      
      });
    },
    remove(id) {
      this.$confirm("此操作将永久删除该文件, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      }).then(async () => {
          // 发起请求删除对应的分类
          const { data: res } = await this.$http.delete("/my/cate/del", {
            params: {
              id: id,
            },
          });
          // 判断是否删除成功
          if (res.code !== 0) return this.$message.error(res.message);
          this.getArtCate()
        }).catch(() => {
          this.$message({
            type: "info",
            message: "已取消删除",
          });
        });
    },
     // 显示编辑文章分类对话框
    showEditDialog(obj){
      // 将obj这个形参赋值给editForm这个对象即可
      // 浅拷贝
      this.editForm = { ...obj}
      this.editVisible =true
    },
      // 编辑文章分类
    editCate(){
      // 对表单进行兜底校验
      this.$refs.editRef.validate(async (valid) => {
        // 表单数据校验失败
        if(!valid) return
        // 发送axaj请求
        const {data:res} = await this.$http({
          method:'put',
          url:'/my/cate/info',
          data:{
            ...this.editForm
          }
        })
        //更新失败
        if(res.code !== 0)return this.$message.error(res.message)
        // 更新成功
        this.$message.success(res.message)
        // 重新请求对话框
        this.getArtCate()
        // 关闭编辑对话框
        this.editVisible = false
      }) 
    }
  },
  // 组件创建阶段，自动请求文章的分类数据
  created() {
    this.getArtCate();
  },
};
</script>

<style lang="less" scoped>
.header-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
</style>
